Improvement in range-chimney bottom plates



Patented July 28,1874.

Wl'llESSES;

ATTORNEYS.

ms GRAPHIC co. PHoroMfI-Laa & 4-| PARK PLACE, ml.

' hole in the wall.

UNITED STATES PATENT ()FFICE HAMILTON C. GARWOOD, OFJERSE'Y CITY, NEW JERSEY.

IMPROVEMENTIN RANGE-CHIMNEY BOTTOM PLATES.

Specification forming part of Letters Patent N o. 153,560, dated July 28, 1874; application filed May 29, 1874.

To all whom it may concern: Be it known that I, HAMILTON O. GARwoon, of Jersey City, in the county of Hudson and State of New Jersey, have invented anew and Improved Range-Chimney Bottom Plate, of which the following is a specification:

Figures 1 and 2 are transverse sections of a range-chimney bottom plate, showing the application of my present invention; and Fig. 3 is a detail in side elevation.

Similar letters of reference indicate correspondin g parts.

I now propose to employ a rod, A, extending directly through the front wall, B, of the chimney, for working the valve 0 at the opening of the top of the chimney bottom plate F, for effecting the ventilation, the said rod being connected to the valve by a slotted arm, D, and a stud-pin, E, as shown. I will also have a tubular guard, Gr, extending through the chimney-wall to the chimney-plate for the rod to turn in properly, so as not to rest in the This guard may or may not be attached to the bottom plate; but, if attached, it may be screwed into it when inserted in the hole through the wall, or inserted into or slipped over a short tube on the plate. The rod will extend sufliciently beyond the front of' the chimney-wall to afford a practicable handle, H, for use in turning it, and it may extend through the plate F to the rear wall of the chimney for a bearing, or the bearing may be attached to plate F, as at J. The handle may be of any approved form. This rod may be used alone, or together with a rod extend- 

